"Ice cream consumption and murder rates are highly correlated. Now, does ice cream incite murder or does murder increase the demand for ice cream?"   

-A lurking variable is defined in wikipedia (http://en.wikipedia.org/wiki/Confounder) 

This wiki is devoted to these and other lofty concerns, but more specifically to strategies for developing statistical literacy

and data services among and between libraries and archives and other service units in academic settings. 

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